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In the following domain class:
class Quest {
String name
static hasMany = [ tasks : Task ]
}
is it possible to use ExpandoMetaClass (or any other mechanism!) to change tasks type, for example from Set to List in runtime?
No. Use a
Listand cast it toCollection, if you need aSetor similar. Since you cannot make aListout of aSetwithout having a random order, this idea seems to go in the wrong direction.